Astellas ISR Portal

We are now accepting new ISR proposals from the United States of America and Japan.
For USA: Proposals for enzalutamide and gilteritinib only may be submitted using this portal.
For Japan: please go to https://www.astellas.com/jp/isr/program.html for instructions.
Should you have any questions, please reach out to the Medical Affairs contact in your Region or by contacting
isrdevsupport@astellas.com or if US-based, call 1 (844) 827-9913.

Welcome!

This is your place to manage all of your investigator-sponsored research with Astellas.